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Testicular cancer

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https://www.readbyqxmd.com/read/28104681/copy-number-variations-of-e2f1-a-new-genetic-risk-factor-for-testicular-cancer
#1
Maria Santa Rocca, Andrea Di Nisio, Arianna Marchiori, Marco Ghezzi, Giuseppe Opocher, Carlo Foresta, Alberto Ferlin
Testicular germ cell tumor (TGCT) is one of the most heritable forms of cancer. In last years many evidence suggested that constitutional genetic factors, mainly single nucleotide polymorphisms, can increase its risk. However, the possible contribution of copy-number variations (CNVs) in TGCT susceptibility has not been substantially addressed. Indeed, an increasing number of studies have focused on the effect of CNVs on gene expression and on the role of these structural genetic variations as risk factors for different forms of cancer...
January 19, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28096924/scrotal-recurrence-of-germ-cell-tumour-in-a-non-violated-scrotum
#2
Jenny Li, Nicholas Power
Testicular cancer is the most common cancer diagnosis in males aged 15-30 years. For over a century, radical inguinal orchiectomy has been the standard of care for initial treatment of testicular cancer. This approach is preferred over trans-scrotal interventions, in an effort to avoid tumour seeding, spermatic cord invasion, and disturbance to lymphatic drainage. Scrotal violation is defined as any trans-scrotal intervention that may impact spread of disease in testicular cancer, including scrotal orchiectomy, fine-needle aspiration, and testicular biopsy...
November 2016: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28093149/re-late-relapses-in-stage-i-testicular-cancer-patients-on-surveillance
#3
Jerome P Richie
No abstract text is available yet for this article.
February 2017: Journal of Urology
https://www.readbyqxmd.com/read/28087892/editorial-comment-to-clinical-characteristics-of-testicular-germ-cell-tumors-in-patients-aged-50%C3%A2-years-and-older-a-large-scale-study-from-the-cancer-registration-committee-of-the-japanese-urological-association
#4
Takeshi Kishida
No abstract text is available yet for this article.
January 13, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28081195/assessment-of-volumetric-versus-manual-measurement-in-disseminated-testicular-cancer-no-difference-in-assessment-between-non-radiologists-and-genitourinary-radiologist
#5
Çiğdem Öztürk, Ton Velleman, Alphons H H Bongaerts, L M Bergman, Robert J van Ginkel, Jourik A Gietema, Harald J Hoekstra
BACKGROUND: The aim of this study was to assess the feasibility and reproducibility of semi-automatic volumetric measurement of retroperitoneal lymph node metastases in testicular cancer (TC) patients treated with chemotherapy versus the standardized manual measurements based on RECIST criteria. METHODS: 21 TC patients with retroperitoneal lymph node metastases of testicular cancer were studied with a CT scan of chest and abdomen before and after cisplatin based chemotherapy...
2017: PloS One
https://www.readbyqxmd.com/read/28080187/early-life-risk-factors-for-testicular-cancer-a-case-cohort-study-based-on-the-copenhagen-school-health-records-register
#6
Johanne Spanggaard Piltoft, Signe Benzon Larsen, Susanne Oksbjerg Dalton, Christoffer Johansen, Jennifer L Baker, Luise Cederkvist, Ingelise Andersen
PURPOSE: One established risk factors for testicular cancer is cryptorchidism. However, it remains unclear whether cryptorchidism is a risk factor in itself or whether the two conditions share common causes in early life (estrogen hypothesis), such as birth weight and birth order. The objective of this study is to utilize data from the Copenhagen School Health Records Register (CSHRR) to evaluate cryptorchidism, birth weight and birth order as risk factors for testicular cancer. METHODS: The study population consisted of 408 cases of testicular cancer identified by a government issued identification number linkage of the entire CSHRR with the Danish Cancer Registry and a random subsample of 4819 males from the CSHRR...
January 12, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28071636/epidemiology-of-male-seminomatous-and-nonseminomatous-germ-cell-tumors-and-response-to-first-line-chemotherapy-from-a-tertiary-cancer-center-in-india
#7
A Joshi, S Zanwar, N Shetty, V Patil, V Noronha, G Bakshi, G Prakash, S Menon, K Prabhash
INTRODUCTION: Unlike the developed countries, there is a lack of good epidemiologic data for testicular germ cell tumors (GCTs) in India with majority presenting in advanced stage. This study aims to elaborate on the epidemiology of testicular GCTs and response to standard first-line chemotherapy (CT). METHODS: GCTs treated at our center from January 2013 to June 2014 were retrospectively analyzed. Patients underwent orchidectomy either outside or at our hospital...
April 2016: Indian Journal of Cancer
https://www.readbyqxmd.com/read/28070774/restoring-fertility-with-cryopreserved-prepubertal-testicular-tissue-perspectives-with-hydrogel-encapsulation-nanotechnology-and-bioengineered-scaffolds
#8
Maxime Vermeulen, Jonathan Poels, Francesca de Michele, Anne des Rieux, Christine Wyns
New and improved oncological therapies are now able to cure more than 80% of cancer-affected children in Europe. However, such treatments are gonadotoxic and result in fertility issues, especially in boys who are not able to provide a sperm sample before starting chemo/radiotherapy because of their prepubertal state. For these boys, cryopreservation of immature testicular tissue (ITT) is the only available option, aiming to preserve spermatogonial stem cells (SSCs). Both slow-freezing and vitrification have been investigated to this end and are now applied in a clinical setting for SSC cryopreservation...
January 9, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/28070708/delayed-treatment-of-undescended-testes-may-promote-hypogonadism-and-infertility
#9
Julia Rohayem, Alessandra Luberto, Eberhard Nieschlag, Michael Zitzmann, Sabine Kliesch
CONTEXT: Undescended testes at birth may be caused by testosterone deficiency during fetal development. It is unclear whether the process of failed descent contributes to permanent endocrine impairment. OBJECTIVES: To evaluate the impact of age at treatment of undescended testes on endocrine and spermatogenic testicular function in middle-aged men. PATIENTS AND METHODS: Reproductive hormone and semen data of 357 men with previously undescended testes were evaluated with respect to age at correction of testicular position and compared to those of 709 controls with eutopic testes at birth and normozoospermia...
January 9, 2017: Endocrine
https://www.readbyqxmd.com/read/28069184/sperm-aneuploidy-after-testicular-cancer-treatment-data-from-a-prospective-multicenter-study-performed-within-the-french-centre-d-%C3%A3-tude-et-de-conservation-des-oeufs-et-du-sperme-network
#10
Nathalie Rives, Marie Walschaerts, Véronique Setif, Sylvianne Hennebicq, Jacqueline Saias, Florence Brugnon, Jacques Auger, Isabelle Berthaut, Ethel Szerman, Myriam Daudin, Louis Bujan
OBJECTIVE: To study sperm aneuploidy in a population of testicular cancer (TC) patients treated with the use of either bleomycin-etoposide-cisplatin (BEP) chemotherapy or radiotherapy. DESIGN: Multicenter prospective longitudinal study of TC patients analyzed before treatment and after 3, 6, 12, and 24 months (T3-T24). PATIENT(S): Fifty-four TC patients and a control group of 10 fertile sperm donors. SETTING: University hospital laboratories...
January 6, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28069149/exploring-men-s-preferred-strategies-for-learning-about-testicular-disorders-inclusive-of-testicular-cancer-a-qualitative-descriptive-study
#11
Mohamad M Saab, Margaret Landers, Josephine Hegarty
PURPOSE: Men's awareness of testicular disorders is lacking and their intention to seek help for testicular symptoms is sub-optimal. Studies conducted to explore and raise men's awareness of testicular disorders did not address their preferred learning strategies and failed to include men who are at risk for health inequities. The aim of this study was to explore, in-depth, the preferred strategies for learning about testicular disorders inclusive of testicular cancer among men who self-identify as heterosexual, gay, or bisexual...
February 2017: European Journal of Oncology Nursing: the Official Journal of European Oncology Nursing Society
https://www.readbyqxmd.com/read/28067779/environmental-factors-affecting-growth-and-occurrence-of-testicular-cancer-in-childhood-an-overview-of-the-current-epidemiological-evidence
#12
REVIEW
Fabrizio Giannandrea, Stefania Fargnoli
Testicular cancer (TC) is the most frequently occurring malignancy among adolescents and young men aged 15-34 years. Although incidence of TC has been growing over the past 40 years in several western countries, the explanations for this increase still remain uncertain. It has been postulated that early life exposure to numerous occupational and environmental estrogenic chemicals, such as endocrine-disrupting chemicals (EDCs), may play a contributing role in the etiology of TC, but the subject is still open to additional investigation...
January 5, 2017: Children
https://www.readbyqxmd.com/read/28064312/-polymorphisms-of-kitlg-spry4-and-bak1-genes-in-patients-with-testicular-germ-cell-tumors-and-individuals-with-infertility-associated-with-azfc-deletion-of-the-y-chromosome
#13
M V Nemtsova, E V Ivkin, O A Simonova, V V Rudenko, V B Chernykh, D S Mikhaylenko, O B Loran
Testicular cancer is the most common form of solid cancer in young men. Testicular cancer is represented by testicular germ cell tumors (TGCTs) derived from embryonic stem cells with different degrees of differentiation in about 95% of cases. The development of these tumors is related to the formation of a pool of male germ cells and gametogenesis. Clinical factors that are predisposed to the development of germ-cell tumors include cryptorchidism and testicular microlithiasis, as well as infertility associated with the gr/gr deletion within the AZFс locus...
November 2016: Molekuliarnaia Biologiia
https://www.readbyqxmd.com/read/28062807/junctional-adhesion-molecule-a-expression-in-the-murine-epididymal-tract-and-accessory-organs-and-acquisition-by-maturing-sperm
#14
Kathie Z Wu, Kun Li, Deni S Galileo, Patricia A Martin-DeLeon
STUDY QUESTION: Is junctional adhesion molecule A (JAM-A), a sperm protein essential for normal motility, expressed in the murine post-testicular pathway and involved in sperm maturation? SUMMARY ANSWER: JAM-A is present in the prostate and seminal vesicles and in all three regions of the epididymis where it is secreted in epididymosomes in the luminal fluid and can be delivered to sperm in vitro. WHAT IS KNOWN ALREADY: JAM-A shares with the plasma membrane Ca(2+)ATPase 4 (PMCA4, the major Ca(2+) efflux pump in murine sperm) a common interacting partner, CASK (Ca(2+)/CaM-dependent serine kinase)...
January 6, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28058004/testicular-cancer-in-down-syndrome-with-spinal-cord-metastases
#15
Turky Almouhissen, Hattan Badr, Bassam AlMatrafi, Noor Alessa, Anmar Nassir
A 22-year-old male patient with Down syndrome was referred to our hospital with a vast left testicular mass. He underwent a left radical inguinal orchiectomy, and a histopathological examination of the mass showed a yolk sac tumor invading the epididymis. The patient was discharged in a satisfactory condition. Sixteen days later, the patient presented again complaining of lower limb weakness. Magnetic resonance imaging of the spine showed metastatic lesions compressing the dorsal spine, and he underwent emergency surgical decompression...
October 2016: Urology Annals
https://www.readbyqxmd.com/read/28057998/cisplatin-and-bleomycin-induced-acute-peripheral-vascular-stenosis-in-patient-with-testicular-cancer
#16
Tayyar Alp Ozkan, Ufuk Aydin, Derih Ay, I Oguz Ozden Cebeci
After cisplatin and bleomycin-containing chemotherapy (CTx) for testicular cancer, part of the patients may develop acute or long-term cardiovascular toxicity. In the present case, we reported that a 58-year-old male patient presenting with testicular tumors who developed acute peripheral arterial disease during combination CTx with bleomycin, etoposide, and cisplatin. Superficial femoral artery occlusion not responded to structure thrombolytic and anticoagulators treatment. Left lower extremity was amputated below knee...
October 2016: Urology Annals
https://www.readbyqxmd.com/read/28052023/spermatogonial-stem-cells-and-progenitors-are-refractory-to-reprogramming-to-pluripotency-by-the-transcription-factors-oct3-4-c-myc-sox2-and-klf4
#17
Sébastien Corbineau, Bruno Lassalle, Maelle Givelet, Inès Souissi-Sarahoui, Virginie Firlej, Paul Henri Romeo, Isabelle Allemand, Lydia Riou, Pierre Fouchet
The male germinal lineage, which is defined as unipotent, produces sperm through spermatogenesis. However, embryonic primordial germ cells and postnatal spermatogonial stem cells (SSCs) can change their fate and convert to pluripotency in culture when they are not controlled by the testicular microenvironment. The mechanisms underlying these reprogramming processes are poorly understood. Testicular germ cell tumors, including teratoma, share some molecular characteristics with pluripotent cells, suggesting that cancer could result from an abnormal differentiation of primordial germ cells or from an abnormal conversion of SCCs to pluripotency in the testis...
December 28, 2016: Oncotarget
https://www.readbyqxmd.com/read/28048209/su-f-p-55-testicular-scatter-dose-determination-during-prostate-sbrt-with-and-without-pelvic-lymph-nodes
#18
C Venencia, A Germanier, E Garrigo, P Castro Pena, J Torres, S Zunino
PURPOSE: The elective irradiation of pelvis lymph node for prostate cancer is still controversial. Including pelvic lymph node as part of the planning target volume could increase the testicular scatter dose, which could have a clinical impact. The objective of this work was to measure testicular scatter dose for prostate SBRT treatment with and without pelvic lymph nodes using TLD dosimetry. METHODS: A 6MV beam (1000UM/min) produce by a Novalis TX (BrainLAB-VARIAN) equipped HDMLC was used...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28041814/safety-and-efficacy-of-intensity-modulated-radiotherapy-in-the-management-of-spermatic-cord-sarcoma
#19
T Cerda, É Martin, G Truc, G Créhange, P Maingon
PURPOSE: Spermatic cord sarcoma is a rare disease, which management remains controversial due to the lack of guidelines. The standard therapeutic approach is surgical: wide soft-tissue resection with radical inguinal orchidectomy, The diagnosis is made during the analysis of the specimen. The high rate of local recurrence indicates adjuvant radiotherapy of the tumor bed. The aim of this series is to determine the efficacy and safety of postoperative intensity-modulated radiotherapy for spermatic cord sarcomas...
December 29, 2016: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/28039265/safety-tolerability-and-preliminary-activity-of-lb-100-an-inhibitor-of-protein-phosphatase-2a-in-patients-with-relapsed-solid-tumors
#20
John S Kovach, Vincent Chung, Aaron S Mansfield, Fadi Braiteh, Donald Richards, Henry Durivage, Richard S Ungerleider, Francis Johnson
PURPOSE: To determine the maximum tolerated dose and to assess the safety, tolerability, and potential activity of LB-100, a first-in-class small molecule inhibitor of protein phosphatase 2A (PP2A) in adult patients with progressive solid tumors. EXPERIMENTAL DESIGN: LB-100 was administered intravenously daily for 3 days in 21-day cycles in a 3+3 dose-escalation design. RESULTS: There were 29 patient entries over 7 dose escalations. One patient stopped treatment after one dose because of an acute infection and was re-enrolled after recovery; each course was analyzed as a separate patient entry...
December 30, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
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